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Lactobacillus plantarum LP01

What does the research say about Lactobacillus plantarum LP01?

2 health outcomes synthesised

Lactobacillus plantarum LP01 has been studied for two health outcomes: reduced gastrointestinal symptoms and improved stool formation. The strongest evidence (low strength) is for reducing gastrointestinal symptoms, with three studies showing a moderate effect at a dose of 1 billion living cells/day, primarily in patients undergoing digestive surgery or bowel preparation. Research on stool formation also shows moderate effects but lacks a consistent reported dose and relies on combinations with other strains.

Strongest evidence

No outcomes have high or moderate evidence strength; all available research is rated as low. The best-supported outcome is reduced gastrointestinal symptoms — 3 out of 3 studies reported beneficial effects (moderate effect size in 2 studies, small in 1). The dose used was 1 billion living cells/day in the one study that reported it. The primary population studied was patients undergoing digestive surgery or bowel preparation.

Mixed or weaker evidence

Improved stool formation also has low evidence strength, with all 3 studies showing moderate beneficial effects. However, the studies tested LP01 only in combination with other probiotic strains (Lactococcus lactis and Lactobacillus delbrueckii), and dosing schedules were not consistently reported. This makes it impossible to attribute the effect solely to LP01. Study populations included middle-aged outpatients with chronic intestinal disorders, post-surgical patients, and individuals undergoing bowel preparation.

Effective dose patterns

Only one outcome (reduced gastrointestinal symptoms) had a clearly reported effective dose: 1 billion living cells/day. No cross-cutting dose range can be established because the stool formation studies did not consistently report dosing.

Population insights

Both outcomes were studied in overlapping populations: middle-aged adults (mean age 55–58 years) with gastrointestinal complaints, chronic intestinal disorders, or undergoing digestive surgery or bowel preparation. No evidence exists for other populations such as children, elderly without underlying conditions, or healthy individuals.

Notable caveats

  • The evidence base is very small — only 3 studies per outcome, and 2 of the 3 gastrointestinal symptom studies used the same multi-strain product (Abincol®), making it difficult to isolate LP01's effect.
  • All stool formation studies used LP01 in combination with other strains; no single-strain data exist.
  • Clinical literature in this area is susceptible to publication bias (null results are less likely to be published).
  • Conclusions should be considered preliminary.

Frequently asked

  • What is Lactobacillus plantarum LP01 good for according to research?
    Based on low-strength evidence, LP01 has been studied for reducing gastrointestinal symptoms (e.g., bloating, discomfort) and improving stool formation. Three studies per outcome reported beneficial effects, but the research is preliminary and often used LP01 in combination with other probiotic strains.
  • What dose of Lactobacillus plantarum LP01 is typically used in studies?
    Only one study reported a specific dose: 1 billion living cells per day for reducing gastrointestinal symptoms. Dosing in the stool formation studies was not consistently reported, so a typical dose cannot be established from the available evidence.
  • Who benefits most from Lactobacillus plantarum LP01?
    The studied populations were middle-aged adults (mean age 55–58 years) undergoing digestive surgery, bowel preparation, or managing chronic intestinal disorders. There is no research on healthy individuals, children, or elderly without these conditions.
  • Are there caveats or limitations in the research on Lactobacillus plantarum LP01?
    Yes. The evidence base is small (only 3 studies per outcome) and conclusions are preliminary. Many studies used multi-strain products, making it hard to isolate LP01's effect. Publication bias is a concern, as null results are less likely to be published.
  • Does Lactobacillus plantarum LP01 help with gastrointestinal symptoms?
    Three studies all reported beneficial effects on reducing gastrointestinal symptoms, with a moderate effect size in two studies and a small effect in one. However, the evidence strength is low due to the small number of studies and use of combination products.
  • Does Lactobacillus plantarum LP01 help with stool formation?
    Three studies found moderate beneficial effects on improving stool formation, but all tested LP01 alongside other strains (Lactococcus lactis and Lactobacillus delbrueckii). Without single-strain studies, it is unclear how much LP01 contributes.

Most-studied combinations with Lactobacillus plantarum LP01

most supplement research is combination research
Also studied with:Lactobacillus rhamnosus LR06 (2), Lactobacillus paracasei LPC09 (2), Bifidobacterium plantarum (2)

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